Figure 4.

Evolution of the UV-vis spectra of the thin film [PAH(9.0)/PAA(9.0)]40 + 4 L/R cycles. Evolution of the UV-vis spectra of the thin film [PAH(9.0)/PAA(9.0)]40 + 4 L/R cycles for a variable range of temperatures from room temperature, 50°C, 100°C, 150°C to 200°C.